<template>
  <view>
    <template>
      
      <view class="search-box">
          <my-search @click="gotoSearch"></my-search>
      </view>
      
      <view>
        <!-- 轮播图区域 -->
        <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
          <!-- 循环渲染轮播图的 item 项 -->
          <swiper-item v-for="(item, i) in swiperList" :key="i">
            <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
              <!-- 动态绑定图片的 src 属性 -->
              <image :src="item.image_src"></image>
            </navigator>
          </swiper-item>
        </swiper>
      </view>

      <!-- // 分类导航区域 -->
      <view class="nav-list">
        <view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
          <image :src="item.image_src" class="nav-img"></image>
        </view>
      </view>

      <!-- 楼层 -->
      <view class="floor-list">
        <view class="floor-item" v-for="(item,i) in floorList" :key="i">
          <!-- 楼层的标题 -->
          <image :src="item.floor_title.image_src" class="floor-title"></image>
          <!-- 楼层图片区域 -->
          <view class="floor-img-box">
            <!-- 左侧大图片的盒子 -->
            <navigator class="left-img-box" :url="item.product_list[0].url">
              <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}"
                mode="widthFix"></image>
            </navigator>
            <!-- 右侧 4 个小图片的盒子 -->
            <view class="right-img-box">
              <navigator class="right-img-item" v-for="(item2, index) in item.product_list" :key="index" :url="item2.url" >
                <image  v-if="index !== 0"  :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}" ></image>
              </navigator>
            </view>
          </view>
        </view>
      </view>
    </template>

  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 1. 轮播图的数据列表，默认为空数组
        swiperList: [],
        // 2. 分类导航的列表
        navList: [],
        // 3. 楼层的数据列表
        floorList: [],
      };
    },
    onLoad() {
      this.getSwiperList();
      this.getNavList()
      this.getFloorList()
    },

    methods: {
      // 3. 获取轮播图数据的方法
      async getSwiperList() {
        // 3.1 发起请求
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 3.2 请求失败
        if (res.meta.status !== 200) uni.$showMsg()
        // 3.3 请求成功，为 data 中的数据赋值
        this.swiperList = res.message
        uni.$showMsg("数据请求成功")
      },

      async getNavList() {
        const {
          data: res
        } = await uni.$http.get("/api/public/v1/home/catitems")
        if (res.meta.status !== 200) uni.$showMsg()
        this.navList = res.message
      },
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 获取楼层数据
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) return uni.$showMsg()
        console.log(res);

        // 将楼层导航的 url 改为自己本地界面
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      
      gotoSearch(){
        uni.navigateTo({
          url:"/subpkg/search/search"
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }

  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }

  .floor-img-box {
    display: flex;
    padding-left: 10rpx;

    .right-img-box {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
    }
  }
  .search-box{
    position: sticky;
    top: 0;
    z-index: 999;
  }
</style>